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What is triple point of water? Mention t...

What is triple point of water? Mention the values of temperature and pressure at triple point of water

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Triple point : The temperature and pressure where a substance can coexist in all its three states is called the "tripal point".
i.e., The substance will exist as a solid, as liquid and as vapour at the particular temperature and pressure.
For water the triple point is at a temperature of `273. 16 K` and at a pressure of `6.11xx10^(-3)` atmosphere or nearly 610 pascals.
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Knowledge Check

  • The triple point for water is

    A
    `0^(@)`C at a pressure of 1 atmosphere
    B
    273 K at a pressure of 76 mm of Hg
    C
    `- 273^(@)` C of a pressure of 4mm. of Hg
    D
    273. 16K at a pressure of 613 Pa
  • The triple point for water is

    A
    `0^(@)C` at a pressure of 1 atmosphere
    B
    273 K at a pressure of 76 mm of Hg
    C
    `-273^(@)C` of a pressure of 4 mm. of Hg
    D
    273. 16 K at a pressure of 613 Pa
  • The standard boiling point of water is

    A
    371.8 K
    B
    372.6 K
    C
    373.0 K
    D
    373.4 K
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    Ice, water and steam co-exist at triple point temperature 273.16 K and pressure 4.6 mm Hg In a system in which the triple point conditions of temperature and pressure exist, the pressure is increased a little while keeping the temperature constant, then the system contains.